Charles William Marker, LCSW-R
Clinical Social Worker · Malverne, NY
Charles William Marker, LCSW-R is a clinical social worker with a practice address in Malverne, New York, and NPI 1174670830, issued on Jan 4, 2007. Check the license with the New York board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Charles William Marker
- Credential
- LCSW-R
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- Practice location
- 353 Hempstead Ave, Malverne, NY 11565
- Phone
- (516) 599-6420
- Enumerated
- Jan 4, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 29,293 in New York → Look up another NPI →
Verify Charles William Marker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Charles William Marker among 29,293 clinical social worker records in New York
Charles William Marker, LCSW-R is one of 29,293 clinical social worker records with a practice address in New York. 8% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 17% of them.
- NPI issued2007 · 17% of these records are older, 68% newer
- In a Medicare fileNo · 8% of these records are
- In the CMS Doctors and Clinicians fileNo · 17% of these records are
- Record last updated2007 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 clinical social worker records list a practice address in Malverne
They are 9 of the 164 NPPES records with a practice address in Malverne, and 29,293 clinical social worker records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 29,293 in New York → Every provider in Malverne → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Robert Abbot, L.C.S.W.Malverne, NY 115651164870044
- Marlene Altman-Kutler, LCSW, CASAC, ICADCMalverne, NY 115651942575261
- Lisa Askinazi, PH.D.Malverne, NY 115651558912188
- Diana Christoforou, LCSWMalverne, NY 115651891517819
- Nathalie Dajer, LMSWMalverne, NY 115651184471641
- David Flomenhaft, PHD, LCSWMalverne, NY 115651467453043
- Jennifer Kurko, LCSWMalverne, NY 115651093960346
- Heather Zawislak, MA, LCSWMalverne, NY 115651104242544
Common questions
What is Charles William Marker, LCSW-R's NPI number?
Charles William Marker, LCSW-R's National Provider Identifier (NPI) is 1174670830, issued on Jan 4, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Charles William Marker, LCSW-R located?
The NPPES record lists a practice address at 353 Hempstead Ave, Malverne, NY, 11565. Phone: (516) 599-6420. Providers update this record themselves, so call before visiting.
How can I verify Charles William Marker, LCSW-R's license?
Search the New York board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.